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نمایش تعداد 1-10 از 12
Synthesis of Some New 3-Alkylthio Derivatives of 1-Phenyl-1H-[1, 3, 4]thiadiazino[5, 6-b]quinoxalines
2,3-Dichloroquinoxalies; 2-phenylhydrazinecarbodithioate; cyclocondensation; thiadiazinoquinoxalines
Efficient synthesis for novel pyrimido[4,5-e][1,3,4]thiadiazine derivatives
Efficient synthesis for novel pyrimido[4,5-e][1,3,4]thiadiazine derivatives
A CONVENIENT SYNTHESIS OF NEW PYRIMIDO[5,4,-B][1,3,4] THIADIAZINES
Synthesis of pyrimido[5,4,-b]1,3,4 thiadiazine is limited to only one patent literature of A.
J. Eliot1. Recently we exhibited a new approach for the addition of 1, 3, 4 thiadiazine to
quinoxaline moiety2. ...
Condensation of dithizone analogues with 4, 5 dihalopyrimidinpyrimido[5, 4-e][1,3,4] thiadiazines or pyrimido[4, 5-e][1,3,4]
pyrimido[5, 4-e][1,3,4] thiadiazines or pyrimido[4, 5-e][1,3,4] thiadiazines?
Investigation into the regioisomeric composition of somefused pyrimidines: 1H NMR and theoretical studies
Investigation into the regioisomeric composition of somefused pyrimidines: 1H NMR and theoretical studies
New access to thiazolo[4,5-d]pyrimidine derivativess
4-Amino-5-bromo-2-substituted-aminopyrimidines are readily obtained from the newly prepared 5-bromo-2,4-dichloro-6-methylpyrimidine by sequential treatment with ethanolic ammonia and secondary amines. These compounds were ...
Convenient synthesis of new pyrimido[4,5-e][1,3,4]thiadiazine derivatives
Convenient synthesis of new pyrimido[4,5-e][1,3,4]thiadiazine derivatives
Convenient synthesis of pyrimido[4, 5-e][1,3,4] oxadiazines
Convenient synthesis of pyrimido[4, 5-e][1,3,4] oxadiazines.
Synthesis of Pyrimido[4,5-e][1,3,4]thiadiazines
Pyrimido [4,5-e][1,3,4]thiadiazines have the ditinct biological activities which promoted us to make an unused method and derivatives for the synthesis of them. These compounds have the potential of being nucleoside ...
A new route to pyrimido[1,6-a]benzimidazole derivatives
Journal of Heterocyclic Chemistry